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142789300000 = 25551427893
BaseRepresentation
bin1000010011111011100…
…1111100111100100000
3111122120020021000000121
42010332321330330200
54314413030100000
6145332502130024
713213311011164
oct2047671747440
9448506230017
10142789300000
1155613923556
122380ba20914
1310607713b79
146ca7c68ca4
153aaaa45b1a
hex213ee7cf20

142789300000 has 72 divisors (see below), whose sum is σ = 351373299732. Its totient is φ = 57115680000.

The previous prime is 142789299997. The next prime is 142789300007. The reversal of 142789300000 is 3987241.

It can be written as a sum of positive squares in 6 ways, for example, as 44195811984 + 98593488016 = 210228^2 + 313996^2 .

It is not an unprimeable number, because it can be changed into a prime (142789300007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613947 + ... + 813946.

Almost surely, 2142789300000 is an apocalyptic number.

142789300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142789300000 is an abundant number, since it is smaller than the sum of its proper divisors (208583999732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142789300000 is an frugal number, since it uses more digits than its factorization.

142789300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427928 (or 1427900 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 142789300000 in words is "one hundred forty-two billion, seven hundred eighty-nine million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 1427893 2855786 5711572 7139465 11423144 14278930 22846288 28557860 35697325 45692576 57115720 71394650 114231440 142789300 178486625 228462880 285578600 356973250 571157200 713946500 892433125 1142314400 1427893000 1784866250 2855786000 3569732500 4462165625 5711572000 7139465000 8924331250 14278930000 17848662500 28557860000 35697325000 71394650000 142789300000